Federal Reserve Bank of Dallas. "Regulations D and Q, Circular No. 81-143," District Notices (Federal Reserve Bank of Dallas) (July 15, 1981). https://fraser.stlouisfed.org/scribd/?item_id=541325&filepath=/files/docs/historical/frbdal/circulars/frbdallas_circ_19810715_no81-143.pdf&start_page=1, accessed on October 23, 2017.
Amendments, Effective 12-3-81. To Authorize Establishment in United State of International Banking Facilities (IBF's ). Docket No. R-0214.